Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
000027goodexcellent11excellent
230021goodexcellent31excellent
220024goodexcellent11excellent
210024goodexcellent11excellent
200034goodexcellent11excellent
190041lightly pollutedexcellent11excellent
180026goodexcellent11excellent
170015goodexcellent11excellent
160019goodexcellent11excellent
150024goodexcellent11excellent
140027goodexcellent11excellent
130027goodexcellent21excellent
120028goodexcellent21excellent
110036goodexcellent11excellent
100024goodexcellent21excellent
090021goodexcellent31excellent
080033goodexcellent51excellent
070046lightly pollutedexcellent41excellent
060048lightly pollutedexcellent51excellent
050053lightly pollutedexcellent31excellent
040054lightly pollutedexcellent31excellent
030054lightly pollutedexcellent31excellent
020067moderately pollutedexcellent41excellent
010073moderately pollutedexcellent41excellent